performed some cosmetic changes, mainly in comments and code organization
Merge branch 'master' of https://github.com/tamershahin/redis-flexible-cache

Conflicts:
	RedisFlexibleCacheGrailsPlugin.groovy
	grails-app/conf/Config.groovy
	grails-app/services/org/gametube/redisflexiblecache/RedisFlexibleCacheService.groovy
	scripts/_Install.groovy
	src/groovy/org/gametube/redisflexiblecache/ast/AbstractRedisFlexibleASTTransformation.groovy